Earthquake—Affected Time—Space Domain,Recurrence Interval and Effective Preparation Time of Earthquakes-中国Betway体育网页登陆

摘要 Thestudyshowsthatearthquake-affectedtime-spacedomain(ETSD),i.e.atime-spacerangeinwhichstrongearthquakesareunabletooccurowingtotheinfluenceofapriorearthquakeoccurring,showsahyperbolicmargincurveinthet(time)-r(distance)coordinateplane,whichhasamaximumaffectedradiusr0att=0andamaximuminfluencetimet0(i.e.theinsiturecurrenceintervalofearthquakes)atr=0.Basedonthetime-distancedistributionsofposteriorearthquakesrelativetoproronesintheregionsofNorthChina,NorthwestChina,Qinghai-Xizang(Tibet)plateauandSouthwestChina,theoptimizedand90%-confidencemargincurvesareestimatedusingoptimizationandstatisticalanalysismethods.ThisindicatesthattheconceptandmethodofETSDwith3-dimension(time-distance-magnitudes)insteadofthoseof"recurrenceinterval"with1-dimension(time)or2-dimension(time-magnitude)providesanewapproachtounderstandingthefluctuationofseismicactivities,estimatingtheeffectiveearthquake-preparationtimeofpotentialhypocenters,andthereforeimprovingthemediumandlong-termpredictionofstrongearthquakes.

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Earthquake—Affected Time—Space Domain,Recurrence Interval and Effective Preparation Time of Earthquakes

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